US2994059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit article
Assignee: Lockheed Martin Corp
•
Filing: 1957-12-31
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Granted: 1961-07-25
•
Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Victor F Dahlgren
- 👤 Thomas H Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:57
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1791666A
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US2227123A
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US2229861A
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US2296151A
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US2502291A
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US2600485A
Cited
US2668281A
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US2745898A
Cited
US2767383A
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US2833996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |